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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
27253
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MODEL
2-res-sm
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Explanations
syntactic and structural elements in code snippets
oai_token-act-pair · gpt-4o-mini
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claude-4-5-haiku
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Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__res-sm_processed/2-res-sm
How To Load
Prompts (Dashboard)
32,768 prompts, 128 tokens each
Dataset (Dashboard)
monology/pile-uncopyrighted
Features
32,768
Data Type
torch.float32
Hook Name
blocks.2.hook_resid_post
Hook Layer
2
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
478
+0.18
1.0%
50
+0.14
0.8%
38
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
383
+0.18
0.05
50
+0.14
0.04
303
+0.12
0.05
Negative Logits
uits
-1.99
iti
-1.97
iest
-1.93
itti
-1.83
aby
-1.72
ously
-1.72
ised
-1.71
otal
-1.69
ête
-1.62
uit
-1.59
POSITIVE LOGITS
Īĺ
2.47
¾
2.36
¯
2.31
¤
2.29
ŀ
2.25
ĸ´
2.21
±
2.18
IJ
2.08
¿
2.08
Ģ
2.06
Act
ivations
Density 0.350%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations